/*
* This file is part of Vanilla.
*
* Copyright (c) 2011 Spout LLC <http://www.spout.org/>
* Vanilla is licensed under the Spout License Version 1.
*
* Vanilla is free software: you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option)
* any later version.
*
* In addition, 180 days after any changes are published, you can use the
* software, incorporating those changes, under the terms of the MIT license,
* as described in the Spout License Version 1.
*
* Vanilla is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
* more details.
*
* You should have received a copy of the GNU Lesser General Public License,
* the MIT license and the Spout License Version 1 along with this program.
* If not, see <http://www.gnu.org/licenses/> for the GNU Lesser General Public
* License and see <http://spout.in/licensev1> for the full license, including
* the MIT license.
*/
package org.spout.vanilla.world.generator.nether.decorator;
import java.util.Random;
import org.spout.api.geo.World;
import org.spout.api.geo.cuboid.Chunk;
import org.spout.api.material.block.BlockFace;
import org.spout.vanilla.material.VanillaMaterials;
import org.spout.vanilla.material.block.plant.Mushroom;
import org.spout.vanilla.world.generator.decorator.VariableAmountDecorator;
import org.spout.vanilla.world.generator.nether.NetherGenerator;
public class NetherMushroomDecorator extends VariableAmountDecorator {
private int odd = 1;
public NetherMushroomDecorator() {
super(1, 0);
}
@Override
public void populate(Chunk chunk, Random random) {
if (chunk.getY() != 4) {
return;
}
if (random.nextInt(odd) != 0) {
return;
}
final World world = chunk.getWorld();
final int amount = getAmount(random);
for (byte count = 0; count < amount; count++) {
final int x = chunk.getBlockX(random);
final int y = random.nextInt(NetherGenerator.HEIGHT);
final int z = chunk.getBlockZ(random);
final Mushroom mushroom = random.nextInt(4) == 0 ? VanillaMaterials.RED_MUSHROOM : VanillaMaterials.BROWN_MUSHROOM;
for (byte size = 6; size > 0; size--) {
final int xx = x - 7 + random.nextInt(15);
final int zz = z - 7 + random.nextInt(15);
final int yy = getHighestWorkableBlock(world, xx, y, zz);
if (yy != -1 && world.getBlockMaterial(xx, yy, zz) == VanillaMaterials.AIR
&& mushroom.isValidPosition(world.getBlock(xx, yy, zz), BlockFace.BOTTOM, false)) {
world.setBlockMaterial(xx, yy, zz, mushroom, (short) 0, null);
}
}
}
}
private int getHighestWorkableBlock(World w, int x, int y, int z) {
while (!w.getBlockMaterial(x, y, z).isOpaque()) {
if (--y <= 0) {
return -1;
}
}
return ++y;
}
public void setOdd(int odd) {
this.odd = odd;
}
}